FR2869997A1 - LOOP ACCELEROMETER CLOSED WITH ERROR DETECTION - Google Patents

LOOP ACCELEROMETER CLOSED WITH ERROR DETECTION

Info

Publication number
FR2869997A1
FR2869997A1 FR0404802A FR0404802A FR2869997A1 FR 2869997 A1 FR2869997 A1 FR 2869997A1 FR 0404802 A FR0404802 A FR 0404802A FR 0404802 A FR0404802 A FR 0404802A FR 2869997 A1 FR2869997 A1 FR 2869997A1
Authority
FR
France
Prior art keywords
accelerometer
error detection
correction
loop accelerometer
accelerometer closed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR0404802A
Other languages
French (fr)
Other versions
FR2869997B1 (en
Inventor
Cyril Condemine
Nicolas Delorme
Marc Belleville
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR0404802A priority Critical patent/FR2869997B1/en
Priority to US11/114,033 priority patent/US7337668B2/en
Priority to EP05103642.4A priority patent/EP1593970B1/en
Priority to JP2005134660A priority patent/JP4842559B2/en
Publication of FR2869997A1 publication Critical patent/FR2869997A1/en
Application granted granted Critical
Publication of FR2869997B1 publication Critical patent/FR2869997B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/13—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by measuring the force required to restore a proofmass subjected to inertial forces to a null position
    • G01P15/131—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by measuring the force required to restore a proofmass subjected to inertial forces to a null position with electrostatic counterbalancing means

Abstract

L'invention concerne un dispositif de mesure accélérométrique à boucle de retour comportant :- un accéléromètre (20),- des moyens (30) de correction, pour engendrer un signal de correction de la position de l'accéléromètre,- des moyens (38) de boucle de retour fermée pour appliquer ce signal de correction à l'accéléromètre,- des moyens (40) pour détecter une erreur de fonctionnement de l'accéléromètre, et des moyens (42) pour effectuer une première modification du fonctionnement des moyens (30) de correction, depuis leur état initial vers un état de fonctionnement modifié.The invention relates to a feedback loop accelerometric measuring device comprising: - an accelerometer (20), - correction means (30) for generating a signal for correcting the position of the accelerometer, - means (38 ) closed feedback loop to apply this correction signal to the accelerometer, - means (40) for detecting an operating error of the accelerometer, and means (42) for performing a first modification of the operation of the means ( 30) correction, from their initial state to a modified operating state.

FR0404802A 2004-05-04 2004-05-04 LOOP ACCELEROMETER CLOSED WITH ERROR DETECTION Expired - Fee Related FR2869997B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR0404802A FR2869997B1 (en) 2004-05-04 2004-05-04 LOOP ACCELEROMETER CLOSED WITH ERROR DETECTION
US11/114,033 US7337668B2 (en) 2004-05-04 2005-04-26 Accelerometer in closed loop with error detection
EP05103642.4A EP1593970B1 (en) 2004-05-04 2005-05-02 Closed loop accelerometer with error detection
JP2005134660A JP4842559B2 (en) 2004-05-04 2005-05-02 Accelerometer with error detection in closed loop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0404802A FR2869997B1 (en) 2004-05-04 2004-05-04 LOOP ACCELEROMETER CLOSED WITH ERROR DETECTION

Publications (2)

Publication Number Publication Date
FR2869997A1 true FR2869997A1 (en) 2005-11-11
FR2869997B1 FR2869997B1 (en) 2006-06-23

Family

ID=34939642

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0404802A Expired - Fee Related FR2869997B1 (en) 2004-05-04 2004-05-04 LOOP ACCELEROMETER CLOSED WITH ERROR DETECTION

Country Status (4)

Country Link
US (1) US7337668B2 (en)
EP (1) EP1593970B1 (en)
JP (1) JP4842559B2 (en)
FR (1) FR2869997B1 (en)

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US7454967B2 (en) * 2006-07-10 2008-11-25 Lv Sensors, Inc. Signal conditioning methods and circuits for a capacitive sensing integrated tire pressure sensor
US7987716B2 (en) * 2008-03-26 2011-08-02 Endevco Corporation Coupled pivoted acceleration sensors
US7650253B2 (en) * 2008-05-08 2010-01-19 L-3 Communications Corporation Accelerometer and method for error compensation
US8347711B2 (en) * 2008-09-15 2013-01-08 Lockheed Martin Corporation Atom-interferometric, stepped gravity gradient measuring system
JP2011027445A (en) * 2009-07-22 2011-02-10 Mitsutoyo Corp Over-damped accelerometer and seismometer
US8812233B2 (en) * 2011-12-27 2014-08-19 Caterpillar Inc. Error detection for inertial measurement units
US9383384B2 (en) * 2013-05-31 2016-07-05 Honeywell International Inc. Extended-range closed-loop accelerometer

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US20030140699A1 (en) * 2002-01-25 2003-07-31 Pike William Thomas Micro-machined accelerometer

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US5583290A (en) * 1994-12-20 1996-12-10 Analog Devices, Inc. Micromechanical apparatus with limited actuation bandwidth
US20030140699A1 (en) * 2002-01-25 2003-07-31 Pike William Thomas Micro-machined accelerometer

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
KULAH H ET AL: "A CMOS switched-capacitor interface circuit for an integrated accelerometer", PROCEEDINGS OF THE 43RD. IEEE MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS. MWSCAS 2000. LANSING, MI, AUG. 8 - 11, 2000, MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS, NEW YORK, NY : IEEE, US, vol. VOL. 1 OF 3, 8 August 2000 (2000-08-08), pages 244 - 247, XP010558120, ISBN: 0-7803-6476-7 *
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Also Published As

Publication number Publication date
US20050257597A1 (en) 2005-11-24
EP1593970A1 (en) 2005-11-09
FR2869997B1 (en) 2006-06-23
EP1593970B1 (en) 2013-10-23
JP4842559B2 (en) 2011-12-21
JP2005321395A (en) 2005-11-17
US7337668B2 (en) 2008-03-04

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